The impact of aging on human facial appearance as illustrated by the average face of 12 women aged 47 years (left side) and 12 women aged 70 years (right side).
FAN LIU
GALLERY
MostAmazingMedicalBreakthroughs
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We all know people who look much younger than their years and then there are others who definitely look their age — and sometimes then some.
Whether you fall into one of those groups may depend, at least in part, on a genetic lottery.
Scientists in the Netherlands have identified a single gene that appears to play a major role in how old we look.